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Make/Model Information:

  • Brand:   Icom
  • Models included:
    • Icom IC-R6

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   36
  • File size:  ∼ 5.60 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   ROIC-0138

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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S-14622XZ-C1
Feb. 2010
COMMUNICATIONS RECEIVER
This service manual describes the latest technical
information for the IC-R6 COMMUNICATIONS RECEIVER,
at the time of publication.
NEVER connect the receiver to an AC outlet or to a DC
power supply that uses more than specified. This will ruin
the transceiver.
DO NOT expose the receiver to rain, snow or any liquids.
DO NOT reverse the polarities of the power supply when
connecting the receiver.
DO NOT apply an RF signal of more than 20 dBm (100 mW)
to the antenna connector. This could damage the receiver’s
front-end.
To upgrade quality, any electrical or mechanical parts
and internal circuits are subject to change without notice
or obligation.
MODEL VERSION SUPPLIED
BATTERY CHARGER
EUR-01 BC-196SD
CHN-01 BC-153SC
ITA-01 BC-196SD
USA-01 BC-196SA
FRA-01
BC-196SD
ESP-01
CAN-01 BC-196SA
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom part number
2. Component name
3. Equipment model name and unit name
4. Quantity required

1110007300 NJM2552V IC-R6 RF UNIT 2 pieces
8210026030 3250 REAR PANEL IC-R6 CHASSIS 3 pieces
Addresses are provided on the inside back cover for your
convenience.
ORDERING PARTS
1. Make sure that the problem is internal before
disassembling the receiver.
2. DO NOT open the receiver until the receiver is
disconnected from its power source.
3. DO NOT force any of the variable components. Turn
them slowly and smoothly.
4. DO NOT short any circuits or electronic parts. An
insulated tuning tool MUST be used for all adjustments.
5. DO NOT keep power ON for a long time when the
receiver is defective.
6. READ the instructions of test equipment throughly
before connecting a test equipment to the receiver.
REPAIR NOTES
INTRODUCTION
CAUTION
Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the
United Kingdom, Germany, France, Spain, Russia and/or other countries.
TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 DISASSEMBLY INSTRUCTION
SECTION 4 CIRCUIT DESCRIPITON
4-1 RECEIVER CIRCUITS (RF UNIT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4-2 AF CIRCUITS (LOGIC UNIT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4-3 FREQUENCY SYNTHESIZER CIRCUITS (RF UNIT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4-4 VOLTAGE BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4-5 CPU PORT ALLOCATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-2 FREQUENCY ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-3 RECEIVE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
SECTION 6 PARTS LIST
SECTION 7 MECHANICAL PARTS
SECTION 8 BOARD LAYOUTS
SECTION 9 BLOCK DIAGRAM
SECTION 10 VOLTAGE DIAGRAM
LOGIC UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
RF UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-3
SECTION 1. SPECIFICATIONS
Frequency coverage : (Unit: MHz)
USA 0.100821.995,
851.000866.995,
896.0001309.995
France 0.10029.995,
50.20051.200,
87.500107.995,
144.000146.000,
430.000440.000,
1240.0001300.000
Other than above 0.1001309.995
Number of memory channels : 1300
Frequency resolution : 5, 6.25, 8.33*, 9*, 10, 12.5, 15, 20,
25, 30, 50, 100, 125, 200 kHz
* Selectable depending on the operating frequency band.
Receive modes : FM, WFM, AM
Operating temperature range : 10C to +60C; +14F to +140F
Reference frequency stability : 1.0 ppm (+25C)
Power supply requirement : 2 AA (R6) alkaline cells
2 AA (R6) Ni-MH cells
4.5 to 6.3 V DC
(with AC adapter or CP-18A/E)
Current drain (backlight OFF at 3.0 V DC):
rated audio 130 mA typical
receive stanby 65 mA typical
power save 30 mA typical
charging 140 mA typical
Antenna connector : SMA (50 O)
Dimensions : 58(W) 86(H) 29.8(D) mm
(projections not included) 29/32(W)33/8(H)13/16(D) in
Weight (approximately) : 200 g; 7.1 oz
(with supplied antenna and batteries)
Receive system : Triple-conversion superheterodyne
Intermediate frequencies : 1st 266.7 MHz
2nd 19.65 MHz (FM/AM)
19.95 MHz (WFM)
3rd 450 kHz (FM/AM)
750 kHz (WFM)
Sensitivity (except spurious points):
FM (1 kHz/3.5 kHz Dev.; 12 dB SINAD)
1.6254.995 MHz 0.32 V typical
5.00029.995 MHz 0.25 V typical
30.000469.995 MHz 0.18 V typical
470.000832.995 MHz 0.32 V typical
833.0001029.995 MHz 0.28 V typical
1030.0001309.995 MHz 0.35 V typical
WFM (1 kHz/52.5 kHz Dev.; 12 dB SINAD)
76.000108.000 MHz 1.1 V typical
175.000221.995 MHz 1.1 V typical
470.000770.000 MHz 1.8 V typical
AM (1 kHz/30% MOD.; 10 dB S/N)
0.4954.995 MHz 1.3 V typical
5.00029.995 MHz 0.89 V typical
118.000136.000 MHz 0.63 V typical
222.000246.995 MHz 0.63 V typical
247.000329.995 MHz 0.79 V typical
Selectivity :
AM/FM More than 12 kHz/9 dB
Less than 30 kHz/60 dB
WFM More than 150 kHz/6 dB
Audio output power : (at 10% distortion/3.0 V DC)
Internal speaker More than 150 mW with a 16 O load
External speaker 80 mW typical with an 8 O load
Ext. speaker connector : 3-conductor 3.5 (d) mm (1/8?)/8 O
All stated speci? cations are subject to change without notice or obligation.
P GENERAL P
RECEIVER
SECTION 2. INSIDE VIEWS
LOGIC UNIT
(TOP VIEW)
VOLTAGE LIMITER
(D511)
TONE FILTER
(IC200)
IFV LINE SW
(Q104)
LOGIC3.3V REGULATOR
(Q103)
+5 V REGULATOR
(IC455)
+3 V REGULATOR
(IC104)
1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan S-14622XZ-C1
2010 Icom Inc.


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